Thread: turbo waste gate boost controler

Originally Posted by PhilipA

I am disagreeing with TWR7x.

The modulator may be effective up to 15PSI, and my theory is that it is there to reduce nox, so that more fuel can be delivered and that is what causes the extra 40Nm.

If you wish to exceed 15PSI then in the opinion of the experts it is not the best idea to retain the modulator and screw up the wastegate rod.

This was discussed some time ago by some members who are very conversant with the TD5 mapping and the conclusion was that probably the better approach was to bypass the modulator and fit a manual wastegate controller , as the codes of the ECU had not at that time been interpreted to allow the modulator to act above 15 PSI. The "screw the rod mod was seen as less than ideal".
I have not seen anything on this forum since that indicates that the situation has changed
Anyway , I am happy with mine.

Regards PhilipA

Cool bananas, cheers.

Originally Posted by PhilipA

I am disagreeing with TWR7x.

The modulator may be effective up to 15PSI, and my theory is that it is there to reduce nox, so that more fuel can be delivered and that is what causes the extra 40Nm.

If you wish to exceed 15PSI then in the opinion of the experts it is not the best idea to retain the modulator and screw up the wastegate rod.

This was discussed some time ago by some members who are very conversant with the TD5 mapping and the conclusion was that probably the better approach was to bypass the modulator and fit a manual wastegate controller , as the codes of the ECU had not at that time been interpreted to allow the modulator to act above 15 PSI. The "screw the rod mod was seen as less than ideal".
I have not seen anything on this forum since that indicates that the situation has changed
Anyway , I am happy with mine.

Regards PhilipA

The situation has most definitely changed, I'm running 1.9 bar boost with mine, and the modulator maps have been changed to suit.
I have no mbc at all, I was running 2.2 bar....but I got nervous, as did my auto.

Cheers
James

The situation has most definitely changed, I'm running 1.9 bar boost with mine, and the modulator maps have been changed to suit.
I have no mbc at all, I was running 2.2 bar....but I got nervous, as did my auto.

Cheers

Hi, so where can I access the revised ecu maps?
Another question.
From earlier posts the current turbo becomes inefficient at about 1.6 or so atmospheres. do you have a hybrid turbo fitted?

Yet another question. Offtrack edited my ECU to go to the upper limits of MAF and boost sensor. How have you modded the ECU to allow for greater limits, particularly the MAF?
I see that in the UK BAS fit another boost sensor with higher scaling. I understood that the map had to be rescaled in the ECU to do this, but it is presented as a straight plug and play. Any knowledge of this?

Regards PhilipA

As my td5inside tune I run 30psi on my CR hybrid turbo and my maf is still in range, runs great and good fuel economy too